Everything you need to know about Xerophytic and Hydrophytic plants, yet simplified and manageable for OCR A level Biology

Simplified explanation, yet everything you need to know, about the biological tests in your A level Biology specification; including tests for lipids, proteins, starch, reducing sugars, non-reducing sugars and colorimetry tests.

Revision for transport in plants A detailed yet concise explanation of how the mechanism of Translocation works including active transport, the mass flow hypothesis, and all about source cells and sink cells. This revision resource makes this process simple and clear, and is everything you need to know for the A level OCR Biology specification.

Detailed yet concise explanation of a cell membrane’s structure, making it easy to understand and learn.

A concise yet detailed revision resource containing everything you need to know about eukaryotic cells and their organelles in a manageable and understandable way.

includes notes on specific and non specific responses, antibodies, primary and secondary immune responses, immunity and vaccinations, agglutination, neutralisation etc.